Xceed Zip for COM/ActiveX on x86/x64 Documentation
Xceed Zip control reference / Xceed Zip control error codes / xerInvalidArrayType constant
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    xerInvalidArrayType constant
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    Value

    523

    Description

    The array passed in the vaDataToCompress parameter of the ZippingMemoryFile event was not a byte array.

    Tips

    Make sure the variant or variable is a valid 1-dimensional array of byte values, or a string variable.